Wikipedia is often seen as a great equaliser. Every day, hundreds of thousands of people collaborate on a seemingly endless range of topics by writing, editing and discussing articles, and uploading images…

If only people had heeded his words then.
Niels Bohr ArchiveJanuary 2, 2014

In 1943, when Niels Bohr, one of 20th century’s greatest scientists, was briefed on the Anglo-American nuclear weapons project, he was worried about the political consequences more than the scientific…